Cloth-napping machine



(No Model.) 2 Sheets-Sheet 1.

C. WOELPEL.

CLOTH NAPPING MACHINE.

No. 466,642. Patented Jan. 5, 1892.

(No Model.) 2 Sheets- Sheet 2.

C. WOELFEL.

CLOTH NAPPING MACHINE.

N0. 466,642. Patented Jan. 5, 1892.

UNITED STATES PATENT OFFICE.

CHRISTIAN WOELFEL, OF PHILADELPHIA, PENNSYLVANIA.

CLOTH-NAPPING MACHINE.

SPECIFICATION forming part of Letters Patent hTo. 466,642, dated January 5, 1892.

Application led May l1, 189]..

To all whom t may concern:

Be it known that I, CHRISTIAN WOELEEL, a citizen of the United States, and a resident of Philadelphia, Pennsylvania, have invented certain Improvements in Cloth-Napping Machines, of which the following is a specification.

The object of my invention is to so construct a gigging or napping machine that the operation of gigging or napping will be performed more effectively1 and with less tearing or removal of the fiber of the fabric than in gigging-machines as ordinarly constructed, and this object Iattain in the manner hereinafter set forth, reference being had to the accompanying drawings, in Which- Figure 1 represents asectional diagram of a gigging or napping machine constructed in accordance with my invention. Fig. 2 is a diagram illustrating driving mechanism for the machine, and Fig. 3 is a diagram illustratinga special form of the machine. Fig. 4 is a diagram illustrating an adjusting device for the napping-cylinders.

The main frame of the machine should be provided with a bearing for the shaft a of a main cylinder B, the surface of which is by preference toothed in the same manner as the cylinder of an ordinary carding-machine. Arranged around the main cylinder B is a series of toothed napping or gigging cylinders D, preferably so mounted as to be adjustable from and toward the cylinder B, the latter and the giggingcylinders being intended to run in the directions pointed out by the arrows in Fig. l.

In Fig. 4t I have shown an adjustingdevice for the napping-cylinders, said device consisting of a set-screw s, having collars, whereby it is so confined to a lug't on the main frame as to beincapable of moving from and toward the center of the main cylinder, and this set-screw being adapted to a nut o on the bearing for the shaft of the nappingcylinder.

The fabric to be treated is drawn over a roll CZ and passes thence around a roll c, located close to the surface of the cylinder B, so as to press the cloth upon said surface, which serves to'carry the fabric through the machine. At each of the gigging-cylinders D, however, the fabric leaves the main cylin- Serial No. 3 9 2, 3 3 2. (No model.)

der B, passing around a roll fclose to the cylinder, thence around a roll g, located close to the toothed surface of the gigging-cylinder, and thence around a-roll 71. some distance in ad- Vance of the roll f, and in its passagefrom the roll f to the roll g the fabric is acted upon by the teeth of the napping-cylinder D, which is driven at a rate of speed but slightly greater than the speed of the fabric, sothat the action of the teeth of this napping-roll upon thefabric is a gentle action, which Will not tear or loosen the fibers of the fabric to such an extent as to detach them, the object being to raise the teeth slowly from the surface of the fabric after they have caught the fibers, so as to lift or raise the nap Without detaching the threads, strands, or fibers from the fabric. This operation is, moreover, facilitated owing to the fact that the fabric may run comparatively loose between the rollers fand g, the tension upon the fabric depending upon the tightness with which it is drawn in the first instance. From the last napping-cylinder the fabric passes over a directing-roll t', thence around a takeup roll 7c, directing-roll 7s', and take-up roll m to the usual reciprocating folder F, whereby it is laid upon the folding-board, the fabric in its passage from the roll z' to the roll 7s being acted upon by a brush n, which removes any burrs, knots, or loose lint lying upon the face of the fabric. There a more extended action of each of the napping cylinders upon the fabric is desired, said cylinders may be adjusted so closely to the cylinder B that they will act upon the fabric Where it passes bel tween the two toothed cylinders before reaching the guide-roll f; or, if desired, the guideroll f may be dispensed with and the fabric may pass from the cylinderB part Way around each cylinder D until it reaches the roll g. The preferable plan, however, for increasing the gigging action is to carry the fabric from the roll g to a roll g', located adjacent to the back of the gigging-cylinder in advance, so that both the front and back of each cylinder are operative. All of these different plans are illustrated in Fig. 3.

The means for driving the various parts of the machine may loe modified in many different Ways without departing from the essential feature of my invention; but in Fig. 2 of the drawings I have illustrated one method IOO of driving as an example, the various gear-1 wheels, rolls, dac., being represented by dotted circles, the cylinders by heavier dotted circles, and the belts by dotted lines.

The driving-shaft 1 has a belt-pulley y and a spur-pinion 2 meshing Witha spur-Wheel 3 on the shaft of the main cylinder B, and on said shaft is another spur-Wheel 4t, meshing with a pinion 5 on the shaft 6, which has a sprocket-Wheel 7, this sprocketwheel engaging with a chain 8, which also engages with sprocket- Wheels 9 on the shafts of the series of nappingrolls D. On the shaft of the main cylinder B is a pulley 10, to which is adapted a belt 11, which drives a pulley 12 on the shaft 13,having a sprocket-Wheel 14: and a pulley 15. To the sprocket-Wheel 14 is adapted a chain 16, which passes arounda suitable directing-roll 162, and

engages With sprocket-Wheels 17 and 18, se-

cured, respectively, to the shafts of the takeup rollers 7s and m. To the pulley 15 is adapted a belt 19, which drives a pulley 2O on a shaft 21, having another pulley 22, to Which is adapteda belt 23, which drives a pulley 24 on the shaft of the brush n, and on this shaft is a spur-Wheel 25, meshing with a spur-Wheel 26 on the shaft of the crank-disk 27, which operates the vibrating folder F.

Having thus described my invention, I claim and desire to secure by Letters Patent- 1. The combination, in a gigging or napping machine, of the central cylinder serving as a feed-drum for the fabric, aseries of napping-cylinders arranged around said main cylinder and having hooked teeth, directingrolls whereby the fabric is Withdrawn from the main cylinder and carried into contact with the teeth of the respective napping-cylinders, and means for driving said main cylinder and napping-cylinders, substantially as specified.

2. The combination, in a gigging or napping machine, of the centralcylinder having a toothed surface and serving as a feed-drum for the fabric, a series of napping-cylinders arranged around the main cylinder and having hooked teeth,rolls for directing the fabric away from the main cylinderV and onto the napping-cylinders, and driving mechanism for the cylinders, substantially as specified.

3. The combination, in a gigging or napping machine, of the centraly cylinder serving as a feed-drum, a series of napping-cylinders arranged around said main cylinder and having hooked teeth, rolls for directing the fabric against the frontl of one'napping-cylinder and against` the back of the cylinder in advance, and driving mechanism for the cylinders, substantially as specified.

4. The combination, in a gigging or napping machine, of the central cylinder serving as a feed-drum for the fabric,a series of napping-cylinders arranged around said main cylinder and having hooked teeth, a series of directing-rolls for each napping-cylinder, said series comprising a pair of rolls close to the surface of the main cylinder, and one or more intermediate rolls whereby the fabric may be carried from the main cylinder first into contact With one or more of the nappingcylinders and then back to the surface of the main cylinder, and means for operating the main cylinder and napping-cylinders, substantially as specified.

In testimony whereof I have signed my name to this specification in the presence of two subscribing Witnesses.

CHRISTIAN VOELFEL.

Witnesses:

EUGENE ELTERICH, HARRY SMITH. 

